標題: Photonic band gaps of polygonal and circular dielectric rods in square lattices
作者: Chang, K. P.
Yang, S. L.
Shen, L. F.
Yang, T. J.
電子物理學系
Department of Electrophysics
公開日期: 1-十二月-2008
摘要: The plane-wave method is employed to determine the band structures and the field patterns of the photonic crystals with polygonal and circular rods in square lattices. Isotropic and anisotropic N-fold polygonal rods are used to assess the effects of the shapes and symmetries of polygonal rods on E-and H-polarization modes. The photonic band structures of the polygonal rods approach those of the circular rods as N increases above a value that is determined by the optical properties of the photonic crystal. Moreover, for comparable geometric structures, anisotropic polygonal-rod photonic crystals can provide larger absolute photonic band gaps than isotropic photonic crystals. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3039213]
URI: http://dx.doi.org/10.1063/1.3039213
http://hdl.handle.net/11536/8108
ISSN: 0021-8979
DOI: 10.1063/1.3039213
期刊: JOURNAL OF APPLIED PHYSICS
Volume: 104
Issue: 11
結束頁: 
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